Chemistry, 21.07.2019 23:30 blessed4628
Nitrogen-13 has a half-life of 10 minutes. how much of a 128 mg sample would remain after 20 minutes?
Answers: 1
Chemistry, 22.06.2019 22:30, jkjjoijjm5928
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
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Nitrogen-13 has a half-life of 10 minutes. how much of a 128 mg sample would remain after 20 minutes...
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